The works carried out for the Central Pylon of the Chacao Bridge by Trevi Chile Spa were the following:
· 36 piles with a 2500 mm wide diameter and a 54 or 58 m length
· Total volume of concrete cast on piles: 10,713 m3
· Steel Rebar used for the Reinforcement cages: 2,256t
· Steel used for the Steel Casings: 3,447t, and 24 and 28 m long.